添加 hallmark 技能

skills/hallmark/references/components/ft1-mast-headed.md

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+### Ft1 · Mast-headed
+A wordmark and tagline anchor a single horizontal band. Two or three small links beside, address or licence below.
+*Use when:* the page has heavy content; the footer should be quiet and singular.
+*Don't confuse with:* Ft2 Inline-rule (which is even more reduced).
+
+```html
+<footer class="foot-mast">
+  <p class="wordmark">Studio Name</p>
+  <p class="tagline muted">Designs that don't look generated.</p>
+  <p class="links muted">Imprint · Privacy · Contact</p>
+</footer>
+```